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Adrian Paul C. Hernane
2 BS EcE A University of Southern Mindanao
Review Questions
Problem 9.1
Which of the following is not the right way to express the sinusoid A cosωt?
(a) A cos 2πft (c) A cosω(t-T)
(b) A cos(2πt/T) (d) A sin(ωt-90˚)
Problem 9.2
A function that repeats itself after fixed intervals is said to be:
- The answer is c. periodic
Problem 9.3
Which of the frequencies has the shorter period?
(a) 1 krad/s (b) 1kHz

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Adrian Paul C. Hernane 2 – BS EcE – A University of Southern Mindanao Review Questions Problem 9.1 • Which of the following is not the right way to express the sinusoid A cosωt? (a) A cos 2πft (c) A cosω(t-T) (b) A cos(2πt/T) (d) A sin(ωt-90˚) Problem 9.2 • A function that repeats ...
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